Self-shielded DI/DT transformer for a meter
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United States of America Patent
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Apr 11, 2017
Issued Date -
N/A
app pub date -
May 9, 2014
filing date -
May 9, 2013
priority date (Note) -
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Abstract
A sensor includes a core, first and second windings, an integrating amplifier circuit and a DC balancing circuit. The first and second windings are wrapped around the core. The integrating amplifier circuit has a first input coupled to the first winding, and an output operably coupled to the second winding. The DC balancing circuit is operably coupled between the output of the integrating amplifier circuit and the first input of the integrating amplifier circuit.
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